The UTG AR-15/AR308 Armorer's Multi-Function Combo Wrench can help you with the most commonly removed and replaced parts on the AR-15 and AR308 platforms such as the A2 Flash Hider, Delta Ring Assembly, Rifle Length Buffer Tube, Carbine Buffer Tube Castle Nut and more. The wrench also has the UTG PRO Super Slim Free Float Barrel Nut Wrench and compatible with 1/2" Torque Wrenches. Includes a 3/4", 7/8", and 3-Prong Wrench Slot for installation and removal of most muzzle devices. Also includes a 5/8" wrench slot and flathead screw driver. Made from Steel Construction with a Phosphate Finish.